CN104361168B - 500kV AC linear shaft tower Electric Field Simulation methods - Google Patents
500kV AC linear shaft tower Electric Field Simulation methods Download PDFInfo
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Abstract
The invention discloses a kind of 500kV AC linears shaft tower Electric Field Simulation method, comprise the steps：S01, sets up shaft tower FEM model and corresponding component models storehouse, and by dangling, chain equation parameter sets up wire and wire jumper flexible structure；S02, sets up tower storehouse；S03, sets up the component library of insulator chain and gold utensil；S04, parameter configuration；S05, is distributed by power frequency electric field around finite element stimulation 500kV AC linear towers；S06, result of calculation output display；Computation model simplified condition of the present invention is less, convenient to change the parameters such as component size, obtains the distributional difference of the electric field result of tangent tower and different insulative and the lower steel tower electric field of gold utensil combination under different situations；The parametrization of wire is set brings great convenience to user, the convenient various parameters for changing wire, the influence in the case that quickly qualitative, quantitative obtains wire parameter change to whole shaft tower Electric Field Distribution.
Description
Technical field
The present invention relates to the construction field of extra-high voltage alternating current-direct current power transmission engineering, more particularly to a kind of 500kV AC linears bar
Tower Electric Field Simulation method.
Background technology
As the construction of China's extra-high voltage alternating current-direct current power transmission engineering puts into operation, and social economy development and resident living water
Flat raising, electromagnetic environment problem causes increasing concern.The ecological effect of electromagnetic field, electromagnetic field must to human lives
Need communication, broadcast, TV, etc. influence, all answer top-priority factor as project of transmitting and converting electricity.
Tangent tower is got a lot of applications at present in 500kV projects of transmitting and converting electricity both at home and abroad to high-voltage testing room power frequency
The research of electric field focuses mostly in transmission line of electricity, and from protection is analyzed, content is fairly perfect, but for the power frequency electric of power transmission line shaft tower
The research of field distribution is considerably less, the analysis for having a small amount of Electric Field Distribution to tangent tower, security protection when being overhauled for staff
Research.The electric field distribution law of the typical shaft tower of research, contributes to transmission line of electricity preferred arrangement, can be transmission tower electromagnetic compatibility
Related environmental assessment provides foundation.In addition, the country has been filled up in the typical case's shaft tower electromagnetic environment research of 500kV transmission lines of electricity
The blank of the accurate electric Field Calculation of typical shaft tower during power transmission engineering is designed and built, is that accurate calculate of the typical shaft tower electric fields of 500kV carries
For effective ways and feasible means, it can offer reference and refer to for the power transmission engineering of higher voltage grade, its computational methods and meter
Calculate the electric field research that flow is equally applicable to other power transmission engineerings such as transit exchange, current conversion station.
To sum up, exploitation software, which calculates design and installation of the power frequency electric field distribution to shaft tower around Typical linear shaft tower, has weight
Want meaning.
In the prior art, Tower Model used in 500kV AC linears shaft tower Electric Field Simulation calculates complicated, with actual shaft tower feelings
Condition error is big, once after the completion of model is set up, model element parameter changes inconvenient, cannot get different insulative substring, gold utensil ginseng
Several lower straight line pole electric field conditions, emulation display is single.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, the present invention provides a kind of 500kV AC linears shaft tower Electric Field Simulation side
Method, modeling is simple, convenient to change component parameters, so as to obtain the Electric Field Simulation of shaft tower under the conditions of different parameters and element configuration.
Technical solution of the present invention is as follows, a kind of 500kV AC linears shaft tower Electric Field Simulation method, comprises the steps：
S01, sets up shaft tower FEM model and corresponding component models storehouse, is set up and led by chain equation parameterization of dangling
Line and wire jumper flexible structure, realize the modeling that becomes more meticulous, and computation model simplified condition is less, more meets with actual conditions and is building
The parameters such as component size can easily be changed when model, so as to obtain the electric field result of tangent tower under different situations；
S02, sets up tower storehouse：The tower storehouse is 500kV AC linear tower towers storehouse（SZ3 AC linear towers）；
S03, sets up insulator chain and gold utensil composition element storehouse：The component library includes insulator chain and gold utensil is combined, from
And the distributional difference of different insulative and the lower steel tower electric field of gold utensil combination can be obtained, obtain to insulator, gold utensil design and group
The allocation optimum of conjunction；
S04, parameter configuration：Include the feeder number of the shaft tower, X, Y, the Z coordinate vector of wire and ground wire, wire radius,
Wire splitting parameter（Wire division number, the first angle of division, division spacing）, the coordinate of wire center point；As long as by parameterizing language
The setting of speech, just can easily change the various parameters of wire, so that quickly qualitative, quantitative studies wire parameter change
In the case of influence to whole shaft tower Electric Field Distribution.
S05, is distributed by power frequency electric field around finite element stimulation 500kV AC linear towers：From described in step S03
Select insulator chain and gold utensil combination, according to the parameter of step S04 configurations, calculate in straight line pole zoning most in component library
Big electric-field intensity, electric-field intensity distribution and path electric-field intensity distribution；
S06, result of calculation output display.
More preferably, 500kV AC linears tower tower is SZ3 type tangent tower models.
More preferably, insulator chain and gold utensil composition element storehouse are multiple including I type suspension string of composite insulator two-wire folder, 100kN
Close insulator jumper string, 210kN cap and pin type suspension insulators two-wire and press from both sides I type suspension string and 400kN cap and pin type suspension insulator strain insulator-strings.
Compare and prior art, the present invention has advantages below：Computation model simplified condition of the present invention is less, with actual feelings
Condition more meets can easily change the parameters such as component size when model is built, and obtain tangent tower under different situations
The distributional difference of electric field result and different insulative and the lower steel tower electric field of gold utensil combination；The parametrization of wire is set, convenient to change
The various parameters of wire, so as to whole shaft tower Electric Field Distribution in the case that quickly qualitative, quantitative obtains wire parameter change
Influence.
Brief description of the drawings
A kind of 500kV AC linears shaft tower Electric Field Simulation method flow schematic diagram of Fig. 1 present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of 500kV AC linears shaft tower Electric Field Simulation method, comprises the steps：
S01, sets up shaft tower FEM model and corresponding component models storehouse, is set up and led by chain equation parameterization of dangling
Line and wire jumper flexible structure, realize the modeling that becomes more meticulous, and computation model simplified condition is less, more meets with actual conditions and is building
The parameters such as component size can easily be changed when model, so as to obtain the electric field result of tangent tower under different situations；
S02, sets up tower storehouse：The tower storehouse is 500kV AC linear tower towers storehouse（SZ3 AC linear towers）；
S03, sets up insulator chain and gold utensil composition element storehouse：The component library includes insulator chain and gold utensil is combined, from
And the distributional difference of different insulative and the lower steel tower electric field of gold utensil combination can be obtained, obtain to insulator, gold utensil design and group
The allocation optimum of conjunction；Insulator chain and gold utensil composition element storehouse include I type suspension string of composite insulator two-wire folder, 100kN and are combined
Insulator jumper string, 210kN cap and pin type suspension insulators two-wire press from both sides I type suspension string and 400kN cap and pin type suspension insulator strain insulator-strings.
S04, parameter configuration：Include the feeder number of the shaft tower, X, Y, the Z coordinate vector of wire and ground wire, wire radius,
Wire splitting parameter（Wire division number, the first angle of division, division spacing）, the coordinate of wire center point；As long as by parameterizing language
The setting of speech, just can easily change the various parameters of wire, so that quickly qualitative, quantitative studies wire parameter change
In the case of influence to whole shaft tower Electric Field Distribution.
S05, is distributed by power frequency electric field around finite element stimulation 500kV AC linear towers：From described in step S03
Select insulator chain and gold utensil combination, according to the parameter of step S04 configurations, calculate in straight line pole zoning most in component library
Big electric-field intensity, electric-field intensity distribution and path electric-field intensity distribution；
S06, result of calculation output display.
It the above is only the preferred embodiment of the present invention, it should be pointed out that：Come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (4)
1.500kV AC linear shaft tower Electric Field Simulation methods, it is characterised in that comprise the following steps：
S01, sets up shaft tower FEM model and corresponding component models storehouse, by the chain equation parameter that dangles set up wire and
Wire jumper flexible structure；
S02, sets up tower storehouse：The tower storehouse is 500kV AC linear tower towers storehouse；
S03, sets up insulator chain and gold utensil composition element storehouse：Insulator chain and gold utensil the composition element storehouse includes insulator chain
With gold utensil combination；
S04, parameter configuration：Include X, Y, the Z coordinate vector, wire radius, wire of the feeder number of the shaft tower, wire and ground wire
Splitting parameter, the coordinate of wire center point；
S05, is distributed by power frequency electric field around finite element stimulation 500kV AC linear towers：From the insulation described in step S03
Select insulator chain and gold utensil combination, according to the parameter of step S04 configurations, calculate straight line pole in substring and gold utensil composition element storehouse
Maximum field intensity, electric-field intensity distribution and path electric-field intensity distribution in the zoning of tower；
S06, result of calculation output display.
2. 500kV AC linears shaft tower Electric Field Simulation method according to claim 1, it is characterised in that the wire point
Splitting parameter includes wire division number, the first angle of division and division spacing.
3. 500kV AC linears shaft tower Electric Field Simulation method according to claim 1, it is characterised in that the 500kV is handed over
It is SZ3 type tangent tower models to flow tangent tower tower.
4. 500kV AC linears shaft tower Electric Field Simulation method according to claim 1, it is characterised in that the insulator
String and gold utensil composition element storehouse include composite insulator two-wire and press from both sides I type suspension string, 100kN composite insulators jumper string, 210kN disks
Shape suspension insulator two-wire presss from both sides I type suspension string and 400kN cap and pin type suspension insulator strain insulator-strings.
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| CN104361168B true CN104361168B (en) | 2017-10-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106294914A (en) * | 2015-06-04 | 2017-01-04 | 长沙理工大学 | A kind of converter transformer valve-side three-dimensional electric field emulation mode considering Anisotropic Nonlinear |
| CN106354982A (en) * | 2016-10-14 | 2017-01-25 | 广西电网有限责任公司电力科学研究院 | Finite element simulation analysis method of power wire clip |
| CN113779845B (en) * | 2021-09-18 | 2023-05-23 | 国网四川省电力公司电力科学研究院 | Strain clamp crimping process optimization method and device based on finite element simulation |
| CN114172069B (en) * | 2021-09-26 | 2024-04-30 | 中国能源建设集团江苏省电力设计院有限公司 | Method for determining three-dimensional hard jumper scheme of tension tower |
| CN115508603A (en) * | 2022-10-09 | 2022-12-23 | 贵州电网有限责任公司 | Tower structure parameter inversion method adopting space electric field fixed point integral |
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Inventor after: Xie Wei Inventor after: Zhang Baiqing Inventor after: Cui Yandong Inventor after: Tong Weizhan Inventor after: Zhong Bin Inventor after: Shao Changyi Inventor before: Zhang Baiqing Inventor before: Cui Yandong Inventor before: Xie Wei Inventor before: Tong Weizhan Inventor before: Zhong Bin Inventor before: Shao Changyi |
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Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: State Grid Corporation of China Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. MAINTENANCE BRANCH Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: State Grid Corporation of China Co-patentee after: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: JIANGSU ELECTRIC POWER COMPANY MAINTENANCE BRANCH |